title: Long-term changes in pulmonary function tests after definitive irradiation for lung cancer.
mesh_terms: D005541:Forced Expiratory Volume / Q000528:radiation effects; D006801:Humans; D008175:Lung Neoplasms / Q000532:radiotherapy*; D017564:Radiation Pneumonitis / Q000401:mortality; D012129:Respiratory Function Tests; D018709:Statistics, Nonparametric; D014797:Vital Capacity